A:
Positive:
1 x 161210637 x 230300919 x 84847753 x 304171133 x 121211371 x 434531007 x 160092287 x 7049
Negative:
-1 x -16121063-7 x -2303009-19 x -848477-53 x -304171-133 x -121211-371 x -43453-1007 x -16009-2287 x -7049
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 16,121,063, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 16,121,063 | |
| -1 | -16,121,063 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,121,063.
Example:
1 x 16,121,063 = 16,121,063
and
-1 x -16,121,063 = 16,121,063
Notice both answers equal 16,121,063
With that explanation out of the way, let's continue. Next, we take the number 16,121,063 and divide it by 2:
16,121,063 ÷ 2 = 8,060,531.5
If the quotient is a whole number, then 2 and 8,060,531.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 16,121,063 | |
| -1 | -16,121,063 |
Now, we try dividing 16,121,063 by 3:
16,121,063 ÷ 3 = 5,373,687.6667
If the quotient is a whole number, then 3 and 5,373,687.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 16,121,063 | |
| -1 | -16,121,063 |
Let's try dividing by 4:
16,121,063 ÷ 4 = 4,030,265.75
If the quotient is a whole number, then 4 and 4,030,265.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 16,121,063 | |
| -1 | 16,121,063 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 53 | 133 | 371 | 1,007 | 2,287 | 7,049 | 16,009 | 43,453 | 121,211 | 304,171 | 848,477 | 2,303,009 | 16,121,063 |
| -1 | -7 | -19 | -53 | -133 | -371 | -1,007 | -2,287 | -7,049 | -16,009 | -43,453 | -121,211 | -304,171 | -848,477 | -2,303,009 | -16,121,063 |
Here are some more numbers to try:
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